$boby-color: #333;

html {
    font-size: 14px;
    color: $boby-color;
}
body {
    margin: 0;
}
a {
    text-decoration: none;
    color: $boby-color
}
ul {
    padding: 0;
    margin: 0;
    list-style: none;
}
h1,
h2,
h3,
h4,
h5,
h6，
p
{
    font-weight: normal;
    margin: 0;
}

clear::after {
    content: "";
    display: block;
    clear: both;
}